ARCELLX INC

Ticker: ACLX CUSIP: 03940C100 Class: Common Stock

TWINBEECH CAPITAL LP's Holding History (CIK: 0001769646)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025

Shares 6,949 Value ($000) $453 Avg Close $79.78 Range $63.03 - $94.07

Q2 2024

Shares 53,585 Value ($000) $2,957 Avg Close $54.36 Range $47.88 - $69.19

Q1 2024

Shares 30,444 Value ($000) $2,117 Avg Close $63.42 Range $51.37 - $75.10

Q4 2023

Shares 63,464 Value ($000) $3,522 Avg Close $45.11 Range $30.88 - $59.10

Q2 2023

Shares 32,668 Value ($000) $1,033 Avg Close $38.23 Range $27.28 - $48.91

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	6,949	$453	$79.78	$63.03 - $94.07
Q2 2024	53,585	$2,957	$54.36	$47.88 - $69.19
Q1 2024	30,444	$2,117	$63.42	$51.37 - $75.10
Q4 2023	63,464	$3,522	$45.11	$30.88 - $59.10
Q2 2023	32,668	$1,033	$38.23	$27.28 - $48.91